Hose clamp



Fatented Nov. in, issa;

e. wnssnn, on nnnnwoon, enne;

nosn cam.

.Application filed January 10, 1923. eriale dllfi.

Tog all tahom z't may omm:

Be it known that li, HARRY G. WESSEL, a citizen` of the United States residing at Lakewood, in the County of uyahoga and 5 State of Oho, have invented certain' new and useful limprovements in Hose Clamps, of which the following is a specification.

The present invention relates to a clamping band or ring of that general type which is adapted to be used for the purpose of 6 Satisfaction for heavy work and under' conditions where it may besubjeoted to rouh handling. 4 l

ile the clamping band may be used for other purposes, it is well adapted for use in connection with the air hose on the air brake Systems of railway trains. A strong and heavy clamp is necessary for 'use in eonnect ing the air hose to the nipplesor con ling members, and the peculiar' design o the present clamp ives it great inherent strength and ri ity, so that it can be suc- `oessfully used r this purpose. At the same time the clamp Is adapted to be forrned from a blank stped from sht material, and the neoeseity of using a more expensive .drop for or cast construction is avoided i y With the foregoing and other objects in viewthe invention consists in certain Gonstructions and arrangements of the parts, as will more fully appear as the descri tion proceeds, the novel features thereoi eing pointed out in the appended Claims.

For a full understanding of the invention reference is to be had to the following description and accompanying drawings, in which i Figure 1 is a side elevation of one fo of a hoss clam 'which is constructed in accordance wit t he invention; N

Figure 2 isa top view thereof.

Figure 3 is an edgeview of the upper portion ofthe hoss clamp.

Fi re et is a transverse sectional view on the llne H oFig'ure 1. A

Figure 5 is a plan view of the' sheet metal blank from which the hose clamp is ormed.

Figure 6 is a side elevation o'-a slightly modified 'form of the hose clamp.

corresponding 'and like parts are referred to in the following description and indicated on all of the views of the drawing by like reference Characters.

The invention is susceptible of many difierent embodiments, and one rticular embodiment is illustrated in etail by Fgures l to 5. inclusive, while another possible embodiment is illustrated by Figure 6. ln both forms of the invention there is a strip 1 which constitutes the clamping band, being bent into a substantlally Circular form so that the' end 1 thereof overlaps the end 1 the said end l bein suitably ofiset from the body portion of t e clamping band, as indicated at 2. The two overlapping ends are provided with clampingheads A which are suitably perforated t0 receive a 'clamping bolt 3.

Anut d is threaded upon the clamping belt, and it will be obvious that when the c ampin belt is tightened the clamping heads A Wi lhe drawn together and the ring or band contracted, so that it can be brought into a tight engagement with a hose or like element arranged within 'the same. The body portion of the elamping band or strip has the inner edges thereof rounded and deflected slightly outwardly, as indicated .more clearly by Figure l, thereby avoiding Sharp inner corners which might tend to out and injure the' hose 'or tubing and 'at the same time providing outstanding ribs 5 which tend to stifien and reinforoe the clalnping Stri.. A

The hose camp shown by Figures 1 to 3 is ormed by suitably bending and Shaping' a blank, such as that shown by 5, Said blank being adapt/ed to' be stamped from from sheet metal of a suitable gauge orthicep 'A t The end l' of the Stri .1 is rovided at a point slightly spaced orn" e extremity llii llil thereof and u on opposite sides with the u standingsi e ears ol" webs 6 and 6.

dge portlons of these side webs are provided respectively with the clamplng plates 7 and 7 which are bent inwardly So that they extend transversely across the clamping band in planes at substantially rl ht angles to the planes of the side webs. he two clamping plates 7 and 7 fit closely together and provide a double thickness for the clamping head. In order that the two plates 7 and 7 may fit together ln the proper relation when the blank is 'folded, it will be observed by reference to Figure 5 that the base of the slde ear 6 is wider than the base of the side ear 6 by an amount equivalent to the thickness of the material from which the blank is formed. Likewise the plate 7 wider than the plate 'If by an amount corresponding to the thickness of the material.

The opposite end of the strip is formed with similar side cars or webs 8 and 8 although it will ben'oticed that the webs 8? and 8 are shorter than the corresponding webs 6` and owin to the fact that the end 1 of the strip is o Set upwardly; So that 'it slides on t0p of the' end 1 of the Strip when the blank is bent into final shape. The side webs 8 and 8 are provided with the 'respective clampin plates 9 and 9 which are bent so that t ey' extend transversely across the clamping band and fit' closely against each other in a superposed relation to provide'a double thickness for the cIam ing head. As before', the base of the Si e' ear 8 is wider than that 'of the side ear 8` by an amount e ual to the thickness of the sheet material, an the clamping plate 9 has a Width greater than the clampmg plate 9 by an amount equal to the thickness of the material.

the strip that when the clamping ment wlth the bolt. An

The superposed clamping plates are preferably tapered slightly toward their upmr ends, and these clamping plates are provl ed with corresponding open' 10 `to receive the clamping bolt 3. The lank shown by FI re 5 Is adapted tobe folded on the parts in icated by dotted lines, and the edge ortions of the side webs are at such a'n ang e to 'band aS-- sumes Its final form the plates 7` and 7 will be parallel to the plates 8' and 8 The plates can then engage the clamping bolt 3 1nthe most effective manner. The plates are efectively reinforced by the correspond' ing side webs and the superposed plates give a double thickness to those portions of the clampmg heads which are in direct engage extremely stron and rigid construction is thus obtained, an

"when the bolt is tightened the overlapping tracted in the usual manner when bringing it into a clamping engagement with a plece of tubing or hose to Which the clamp band vention extend in the opposite direction.

from the clamping plates. These side webs 11 are adapted to receive the nut 4 between the same and to engage the Sides of the nut so that the nut is held a ainst turning while the bolt is tightened or be an advantage under certain conditions. The general idea of construction is the same asthat previously described, Since the abutment plates of each clamping head are superposed to provide a double thickness of material at this 'point and are reinforced by the side webs: n

?While I have described two particular embodiments of the invention in detail i't will be understood that many modifications and changes can be made-in the details'of construction Without departin from the Spirit and essential *features of t e invention.

, Having thus described my inventionwvhat I claim as new and desire to secure by L'ettersPatent is, v

1. A clamping band of the character de-` oosened. This may.

Scribed formed ,from a sheet metal blank and provided at` o posite ends thereof with pairs of outstan ng webs and clamping plates carried by edge portions of the webs and extendin'g transversely across the band, the plates of each pair fitting against each other in a superposed relation to give a double thickness of material, in'combination with tightening means connecting the clamping plates."

2. A clamping band of thecharacter de- Scribed formed fronb a sheet metal blank and provided at opposite ends thereof with pairs of outstanding webs arranged in the edge planes of the band and also with clamping plates projecting from edge portions of the side webs and extendl'ng transversely across the band, the plates bein rigidl supported by the webs and the p ates o pair fittnig against each other in a superposed relation and being arrangedsubstantially parallel to the plates of the opposite pair, in combination with tightening means connecting the clamping lates.

3. A clampin band o the character described formed rom a Sheet metal blank and provided at opposite ends thereof with op-A ing the elamping heads.

of material, in' comblnatlon with tightening means connectlao' . 4. A clampin band of the character described formed 0m a sheet metal blank and provided at opposite ends thereof with Opposed clamping heads, each of the clam ing 5 heads including bolt engaging pltes uilt up from Superposed thicknesses of material and an integral side stiifening Web for each thickness, in oombinahion With a. helt connecting the clamping he and a. nut engaging the bolt and held a ins mtwhion by engagemet with certain o the side stifiening webs.

][n testimony whereof I[ e my simum' HARRY G. WESEL. 

